Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 54
8. Within a circle of I 5 radius inscribe a regular nonagon. Withthe same centre describe a regular nonagon of 075 side. (May, 03.) 19. Copy the given figure (Q. 19). The straight lines are to form aregular pentagon of IS side, and the five equal segments are to havetheir arcs tangential at the… … 32), and draw the diameter DC.With D as centre, and DE asradius, mark off the points Aand B on the circumference ofthe circle. Join AB, BC, andCA. Then ABC will be theinscribed equilateral trianglerequired. 51. To describe an equilateraltriangle about a given circle ABC.At the points A, B, and…
Geometrical drawing · Design · Drawing
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